Poweshiek County, IA ZIP Codes
11 ZIP codes cover all or part of Poweshiek County, Iowa. The Census Bureau counts 18,545 residents in the county, with a median household income of $67,391 and a median home value of $209,300. Median household income ranges from $65,000 in 50171 to $78,482 in 52347. Its largest communities include Grinnell, Brooklyn, Montezuma, Holiday Lake and Deep River.
Poweshiek County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 18,545 |
| Households | 7,804 |
| Median household income | $67,391 |
| Median home value | $209,300 |
| Median age | 41 |
| Median rent | $883 |
All 11 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 21,669 |
| Households (sum of ZIP codes) | 8,952 |
| Median household income, range across ZIP codes | $65,000 (50171) to $78,482 (52347) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $68,625 |
| Homeowners | 73.7% |
| Households with kids under 18 | 22.8% |
| Moved in the past year | 15.1% |
| Carrier routes in EDDM2GO's route library | 15 routes, 5,300 homes (5 of 11 ZIP codes) |
Top facts
- Highest median household income in Poweshiek County: 52347 ($78,482)
- Most residents: 50112 (11,862 people)
- Highest homeownership: 52347 (91.3% own their home)
- Most households with kids: 52347 (28.5% of households)
- Most new movers: 50112 (19.4% moved in last year)
- Youngest median age: 50112 (38.5 years)
- Highest median home value: 50171 ($216,000)
Every ZIP code in Poweshiek County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 50112 | Grinnell | 11,862 | 4,671 | $67,078 | $214,900 | 68.7% | 21.3% | 19.4% | 11 | 5,104 | 74% of its land |
| 52211 | Brooklyn | 2,795 | 1,225 | $73,922 | $200,300 | 74.4% | 24.2% | 8.9% | — | — | 100% of its land |
| 50171 | Montezuma | 2,524 | 1,230 | $65,000 | $216,000 | 71.1% | 16.7% | 13.6% | — | — | 98% of its land |
| 52347 | Victor | 1,386 | 527 | $78,482 | $144,700 | 91.3% | 28.5% | 7.6% | — | — | 33% of its land |
| 52215 | Chelsea | 960 | 367 | $61,932 | $166,800 | 98.9% | 37.3% | 6.9% | — | — | 19% of its land |
| 52222 | Deep River | 631 | 285 | $81,964 | $120,500 | 86.3% | 30.9% | 5.4% | 1 | 175 | 71% of its land |
| 50157 | Malcom | 473 | 210 | $115,000 | $157,500 | 82.4% | 24.8% | 6.8% | — | — | 100% of its land |
| 52221 | Guernsey | 332 | 137 | $86,473 | $228,000 | 82.5% | 43.1% | 13.3% | — | — | 85% of its land |
| 50242 | Searsboro | 326 | 147 | $67,104 | $225,000 | 61.9% | 29.9% | 20.1% | 1 | 169 | 100% of its land |
| 52232 | Hartwick | 277 | 101 | $99,391 | — | 94.1% | 7.9% | 5.4% | 1 | 94 | 100% of its land |
| 50104 | Gibson | 103 | 52 | $55,625 | $189,600 | 82.7% | 11.5% | 15.8% | 1 | 54 | 26% of its land |
A ZIP code is listed for Poweshiek County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Grinnell — 9,505 residents · 1 ZIP code
- Brooklyn — 1,459 residents · 1 ZIP code
- Montezuma — 1,410 residents · 1 ZIP code
- Holiday Lake — 397 residents · 1 ZIP code
- Deep River — 335 residents · 1 ZIP code
- Malcom — 221 residents · 1 ZIP code
- Oakland Acres — 191 residents · 1 ZIP code
- Barnes City — 117 residents · 2 ZIP codes
- Hartwick — 114 residents · 1 ZIP code
- Searsboro — 109 residents · 1 ZIP code
- Guernsey — 50 residents · 1 ZIP code
Price a mailing to Poweshiek County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Poweshiek County, IA?
- 50112, 52211, 50171, 52347, 52215, 52222, 50157, 52221, 50242, 52232 and 50104. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Poweshiek County?
- 18,545 residents in 7,804 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Poweshiek County?
- $67,391 for the county as a whole. Its ZIP codes range from $65,000 (50171) to $78,482 (52347).
- Which Poweshiek County ZIP code has the highest median household income?
- 52347, at $78,482, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Poweshiek County?
- For the 5 of 11 ZIP codes in EDDM2GO's stored route library: 15 carrier routes reaching 5,300 residential and 290 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.